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Witnesses are sworn in on Capitol Hill in Washington, Wednesday, Oct. 10, 2012, prior to testifying before House Oversight and Government Reform Committee hearing onthe attack on the American consulate in Benghazi, Libya, that resulted in the death of U.S. Ambassador Christopher Stevens and other Americans. From left are, Lt. Col. Andrew Wood, a Utah National Guard Army Green Beret who was the top security official at the consulate in Libya; Eric Nordstrom, a regional security officer with the State Department; Charlene Lamb, deputy assistant secretary for international programs at the State Department's Bureau of Diplomat Security; and Ambassador Patrick Kennedy, under secretary for management at the State Department. (AP Photo/J. Scott Applewhite)

Witnesses are sworn in on Capitol Hill in Washington, Wednesday, Oct. 10, 2012, prior to testifying before House Oversight and Government Reform Committee hearing onthe attack on the American consulate in Benghazi, Libya, that resulted in the death of U.S. Ambassador Christopher Stevens and other Americans. From left are, Lt. Col. Andrew Wood, a Utah National Guard Army Green Beret who was the top security official at the consulate in Libya; Eric Nordstrom, a regional security officer with the State Department; Charlene Lamb, deputy assistant secretary for international programs at the State Department's Bureau of Diplomat Security; and Ambassador Patrick Kennedy, under secretary for management at the State Department. (AP Photo/J. Scott Applewhite)